code: def test_attrs1(self):
      obj = MockDistribution(chainer.Variable(numpy.array([1.0])))
      h0 = obj.h
      y0 = obj.y
      h1 = obj.h
      y1 = obj.y
      assert obj.h_call_count == 1
      assert obj.y_call_count == 1
      assert h0 is h1
      assert y0 is y1
      numpy.testing.assert_allclose(h0.array, 2.0)
      numpy.testing.assert_allclose(y0.array, 6.0)
  
file_path: chainer/tests/chainer_tests/utils_tests/test_cache.py
imports: import unittest
  import numpy
  import chainer
  from chainer import testing
  from chainer.utils import cache
label_desc: Use image node_id 5 for calling the TestCachedProperty obj's underlying member method code with example usage: obj.test_attrs1() without return types